Proper motions of stars near SgrA* (Schoedel+, 2009)

Details Proper motions of stars near SgrA* (Schoedel+, 2009) Proper motions of stars near SgrA* (Schoedel+, 2009)

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ycat..35020091s&link_type=abstract

VizieR On-line Data Catalog: J/A+A/502/91. Originally published in: 2009A&A...502...91S

Physics

Optics

Stars: Nearby, Proper Motions, Photometry: Infrared

Scientific paper

We used multi-epoch adaptive optics assisted near-infrared observations of the central parsec of the Galaxy obtained with NACO/CONICA at the ESO VLT. Stellar positions were measured via PSF fitting in the individual images and transformed into a common reference frame via suitable sets of reference stars. We measured the proper motions of more than 6000 stars within about 1pc projected distance of the supermassive black hole Sagittarius A*. The table contains for each measured star its projected distance from Sagittarius A*, its offsets in right ascension and declination from Sagittarius A* along with the corresponding uncertainties, its proper motion and the corresponding uncertainty in right ascension and declination, the Ks-band magnitude and the corresponding uncertainty, and its classification as early type in case such a classification exists.
(1 data file).

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